The Sheperd equation and chaos identification
Date
2010
Authors
Gregson, R
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Publisher
Human Sciences Press
Abstract
An equation created by Sheperd (1982) to model stability in exploited fish populations has been found to have a wider application, and it exhibits complicated internal dynamics, including phases of strict periodicity and of chaos. It may be potentially applicable to other psychophysiological contexts. The problems of determining goodness-of fit, and the comparative performance of alternative models including the Shephed model, are briefly addressed.
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Keywords: animal; article; commercial phenomena; ecosystem; fish; food chain; nonlinear system; population dynamics; statistical model; Animals; Commerce; Ecosystem; Fishes; Food Chain; Models, Statistical; Nonlinear Dynamics; Population Dynamics Bayes; Chaos; Dynamics; Lyapunov; Response function; Sheperd model
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Source
Nonlinear Dynamics, Psychology and Life Sciences
Type
Journal article
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Restricted until
2037-12-31